0 1 2 3 Tue 01 Jan 1952 Fri 01 Feb 1952 Sat 01 Mar 1952 Sun 30 Mar 1952 Hours Slept Hours Slept Rolling Average Total Time in Bed Total Rolling Average <- Previous Period Next Period -> Date Range: to Offset: hours Data: Hours Slept Hours Laying Awake Total Time in Bed Total Dreams Show: Raw Data Rolling Average Rolling Average: Start from Zero Events: None Major All